They are names such as Rheinmetall, Renk or Hensoldt, which in recent years have increasingly been mentioned in media reporting, especially because of the war in Ukraine. Rheinmetall builds rifle and combat tanks, Renk delivers gearbox for heavy chain vehicles, Hensoldt specializes in sensors. However, these established German armaments and defense companies are getting more and more young competitors. One of them is Arx Robotics, a German start-up and a good example of how the warfare has changed.